(please don't remove any addresses from Cc:) On Sat, Jun 19, 2010 at 01:58:02PM -0400, jordan johnston wrote: > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 0 > bInterfaceClass 255 Vendor Specific Class > bInterfaceSubClass 0 > bInterfaceProtocol 0 > iInterface 0 > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 1 > bAlternateSetting 0 > bNumEndpoints 0 > bInterfaceClass 255 Vendor Specific Class > bInterfaceSubClass 0 > bInterfaceProtocol 0 > iInterface 0 > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 1 > bAlternateSetting 1 > bNumEndpoints 4 > bInterfaceClass 255 Vendor Specific Class > bInterfaceSubClass 0 > bInterfaceProtocol 0 > iInterface 0 I just wanted to know whether they switched to class compliance interfaces, but as you can see here, that's not the case. > you will notice it is using usb 1.1 (i unbinded the usb2, as i am told > it doesn't work with it) How did you do this? And you modified the driver to match this device ID, right? > usb 4-1: new full speed USB device using uhci_hcd and address 3 > usb 4-1: New USB device found, idVendor=0644, idProduct=8021 > usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > usb 4-1: Product: US-122 MKII > usb 4-1: Manufacturer: TASCAM > usb 4-1: SerialNumber: no serial number > ALSA sound/usb/usx2y/usb_stream.c:603: status=-2 > ALSA sound/usb/usx2y/usb_stream.c:603: status=-2 > ALSA sound/usb/usx2y/us122l.c:365: us122l_start error -14 > snd-usb-us122l: probe of 4-1:1.1 failed with error -22 > usbcore: registered new interface driver snd-usb-us122l Sorry, I can't help here. Maybe Karsten, die author of this driver, has any clue (put to Cc: now). Otherwise, you would need to trace the USB traffic using TASCAM's driver for Windows or MacOSX, and then reverse-engineer the protocol ... HTH, Daniel _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
